![]() ![]() Free Liftįree Lift is a forklift’s ability to raise a load to the top of the first stage. A 3 stage is the most common type of forklift we sell, which means the mast almost triples in height. ![]() Stages are rails that fit inside each other, so if 2 stages are extended, the mast nearly doubles in size. StagesĪ stage is a section of the forklift mast. They’re the least popular of the 4, but a perfect fit for some uses. They’re for applications that don’t require much height and aren’t limited by clearance. V Forklift Masts are 2 Stage Masts without Free Lift. I think if 5 Dans stood on each other’s shoulders, they might come close! They have 4 Stages with Free Lift.ĭan, our Vice President of Sales and Marketing was nice enough to model with one to better show it’s height. When you need to lift very high, you go with a QFV. They’re second most popular behind FSV for applications that don’t need quite as much height. 131.5” Maximum Fork Height is the most popular size.Īn FV Mast is 2 Stages with Free Lift. It’s the most popular type of mast we sell. Toyota FSV Masts are 3 Stage Masts with Free Lift. (Afterwards, we explain Stages and Free Lift.) FSV Forklift Mast – 3 Stage It’s also important that your forklift fits where it needs to and has proper clearance. Selecting the right forklift mast is important to raise materials to the ideal height. Quad uprights work basically in the same way as triple stage uprights except in that a second set of chains and pulleys operated by the secondary lift cylinders provide the fourth stage of lift.What are FSV forklift masts and FV forklift masts? We’ll Explain V and QFV Masts As Well The quad upright uses four sets of rails and an added set of chains to provide four stages of lift with full free lift. When these cylinders begin lift, they lift the intermediate rails directly while the chains pull the inner set of rails along with the carriage/fork assembly. The secondary lift cylinders are attached to the intermediate rails. The primary cylinder provides the full free lift of the carriage and forks. The same principles of operation apply in triple-stage lift as the hi-lo model but with an extra stage of lift. The triple stage upright uses three sets of rails, two movable rails and one stationary rail for three stage lift with full free lift. Triple Stage Upright (Triplex, Triple, TSU, FSV Mast) The primary cylinder also raises the carriage at a 2-to-1 ratio, but raises the carriage to the top of the inner rails before hydraulic fluid is rerouted to the side-mounted secondary cylinders for direct rail lift. This upright resembles the standard upright and works in the same way, except a primary, center-mounted cylinder provides full free lift. The duplex upright is a two-stage assembly with full free lift. Duplex Upright (Full Free Lift, FFL, Hi-Lo, FV Mast) The chain raises the carriage at a rate of two inches for every inch of cylinder rod extension. This upright uses two side-mounted lift cylinders to provide direct lift to the inner rails and indirect chain lift to the carriage/fork assembly. The standard upright is a two-stage assembly with two rails, one stationary and one movable inner rail. 4 Types of Forklift Masts Standard Upright (Simplex, V Mast) Below ProLift has defined the four basic types of uprights and masts: standard, duplex, triple stage and quad. Understanding the types of masts available and what each can do is helpful for selection. This may be a question posed to you during your next forklift purchase. What type of mast do you need for your forklift? Our equipment specialists can help you answer those questions. ![]() Before selection, determine what you need from a forklift mast.
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